#ifndef __LIB_STDIO_H
#define __LIB_STDIO_H

#include <debug.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

/* Include lib/user/stdio.h or lib/kernel/stdio.h, as
   appropriate. */
#include_next <stdio.h>

/* Predefined file handles. */
#define STDIN_FILENO 0
#define STDOUT_FILENO 1

/* Standard functions. */
int printf(const char *, ...)

PRINTF_FORMAT (1, 2);

int snprintf(char *, size_t, const char *, ...)

PRINTF_FORMAT (3, 4);

int vprintf(const char *, va_list)

PRINTF_FORMAT (1, 0);

int vsnprintf(char *, size_t, const char *, va_list)

PRINTF_FORMAT (3, 0);

int putchar(int);

int puts(const char *);

/* Nonstandard functions. */
void hex_dump(uintptr_t ofs, const void *, size_t size, bool ascii);

void print_human_readable_size(uint64_t sz);

/* Internal functions. */
void __vprintf(const char *format, va_list args,
               void (*output)(char, void *), void *aux);

void __printf(const char *format,
              void (*output)(char, void *), void *aux, ...);

/* Try to be helpful. */
#define sprintf dont_use_sprintf_use_snprintf
#define vsprintf dont_use_vsprintf_use_vsnprintf

#endif /* lib/stdio.h */
